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Finding the Third Proportional to 317,755.50 and 444,447

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Solution

The third proportional to 317,755.50 and 444,447 is: 621,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,755.50 : 444,447 = 444,447 : x
  2. Step 2: Convert to fraction form
    317,755.50/444,447 = 444,447/x
  3. Step 3: Cross multiply
    317,755.50x = 444,447 × 444,447
  4. Step 4: Simplify right side
    317,755.50x = 197,533,135,809
  5. Step 5: Solve for x
    x = 197,533,135,809/317,755.50
  6. Step 6: Final answer
    x = 621,651.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.